Proper Idling

What’s Regeneration in Tier 4 Machines?

Regeneration uses heat to oxidize soot into gases that leave the filter

It’s a normal part of running machines equipped with diesel particulate filters and rarely gets in the way of operating

When you see this yellow symbol:

• Work your machine hard
○ A loaded engine makes hotter exhaust gas, and that’s better for regeneration
• If you need to shut the machine down, that’s fine
○ Regeneration will pick up where it left off at the next restart• If you need to idle, do it the right way

When you see this red symbol:

• Park the machine in a safe area• Follow proper idling procedure

How To Properly Idle & Shut Down

If you’re going to idle for more than a minute or two
○ In a tracked machine, all lock levers in the lock position and throttle dial at minimum
○ In a wheeled machine, transmission in neutral, parking brake applied and accelerator pedal released

This is the safest way

It also helps the machine optimize regeneration

If you’re going to shut down, let the machine cool off for 5 minutes before turning the key

If You’ve Got Questions

Check out the Pocket & Keychain Cards

Ask your Supervisor

Ask your Distributor

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